Must be a valid IPv4 or IPv6 ip address, e.g. 127.0.0.1 or 2001:DB8:0:0:8:800:200C:417A
Basic Info

City: unknown

Region: unknown

Country: United States

Internet Service Provider: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
No discussion about this IP yet. Click above link to make one.
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.55.139
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 50529
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.55.139.			IN	A

;; AUTHORITY SECTION:
.			210	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 20 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 00:12:20 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 139.55.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 139.55.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
189.212.18.215 attack
Honeypot attack, port: 23, PTR: 189-212-18-215.static.axtel.net.
2019-09-26 20:38:02
106.51.80.125 attack
19/9/25@23:38:48: FAIL: Alarm-Intrusion address from=106.51.80.125
19/9/25@23:38:49: FAIL: Alarm-Intrusion address from=106.51.80.125
...
2019-09-26 20:27:44
123.206.87.154 attackspambots
Sep 26 08:52:25 ny01 sshd[17913]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.206.87.154
Sep 26 08:52:27 ny01 sshd[17913]: Failed password for invalid user faith from 123.206.87.154 port 56402 ssh2
Sep 26 08:57:46 ny01 sshd[19287]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.206.87.154
2019-09-26 21:06:13
185.40.4.67 attack
\[2019-09-26 08:10:15\] NOTICE\[1948\] chan_sip.c: Registration from '\' failed for '185.40.4.67:62627' - Wrong password
\[2019-09-26 08:10:15\] SECURITY\[2006\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-26T08:10:15.203-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="4007",SessionID="0x7f1e1c0bf258",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.40.4.67/62627",Challenge="731d04ab",ReceivedChallenge="731d04ab",ReceivedHash="e411f11524b4fbf6564966561b53d235"
\[2019-09-26 08:10:51\] NOTICE\[1948\] chan_sip.c: Registration from '\' failed for '185.40.4.67:49801' - Wrong password
\[2019-09-26 08:10:51\] SECURITY\[2006\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-26T08:10:51.496-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="4007",SessionID="0x7f1e1c011788",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.40.4.67/498
2019-09-26 20:32:56
122.62.40.83 attack
Invalid user rajesh from 122.62.40.83 port 47769
2019-09-26 20:34:44
106.13.136.238 attack
Sep 26 02:38:56 hanapaa sshd\[17433\]: Invalid user jeremy from 106.13.136.238
Sep 26 02:38:56 hanapaa sshd\[17433\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.136.238
Sep 26 02:38:58 hanapaa sshd\[17433\]: Failed password for invalid user jeremy from 106.13.136.238 port 41090 ssh2
Sep 26 02:41:53 hanapaa sshd\[17795\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.136.238  user=root
Sep 26 02:41:55 hanapaa sshd\[17795\]: Failed password for root from 106.13.136.238 port 35008 ssh2
2019-09-26 20:53:21
165.22.182.168 attackspambots
Sep 26 14:33:52 mail sshd\[6310\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.182.168
Sep 26 14:33:54 mail sshd\[6310\]: Failed password for invalid user www from 165.22.182.168 port 38016 ssh2
Sep 26 14:37:30 mail sshd\[6977\]: Invalid user horst from 165.22.182.168 port 50094
Sep 26 14:37:30 mail sshd\[6977\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.182.168
Sep 26 14:37:33 mail sshd\[6977\]: Failed password for invalid user horst from 165.22.182.168 port 50094 ssh2
2019-09-26 20:43:47
51.91.249.91 attackspam
Sep 26 01:45:03 lcprod sshd\[28248\]: Invalid user achey from 51.91.249.91
Sep 26 01:45:03 lcprod sshd\[28248\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.ip-51-91-249.eu
Sep 26 01:45:05 lcprod sshd\[28248\]: Failed password for invalid user achey from 51.91.249.91 port 43604 ssh2
Sep 26 01:48:47 lcprod sshd\[28587\]: Invalid user yolanda from 51.91.249.91
Sep 26 01:48:47 lcprod sshd\[28587\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.ip-51-91-249.eu
2019-09-26 20:32:24
149.202.223.136 attackspam
\[2019-09-26 08:41:43\] NOTICE\[1948\] chan_sip.c: Registration from '\' failed for '149.202.223.136:58103' - Wrong password
\[2019-09-26 08:41:43\] SECURITY\[2006\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-26T08:41:43.795-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="32345678",SessionID="0x7f1e1c016148",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/149.202.223.136/58103",Challenge="09741cf1",ReceivedChallenge="09741cf1",ReceivedHash="451da9250c148a72a8f1b799876cd7b4"
\[2019-09-26 08:41:58\] NOTICE\[1948\] chan_sip.c: Registration from '\' failed for '149.202.223.136:52464' - Wrong password
\[2019-09-26 08:41:58\] SECURITY\[2006\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-26T08:41:58.889-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="29",SessionID="0x7f1e1c162d78",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/149.202.223.136/524
2019-09-26 20:47:26
222.186.190.92 attackspambots
Sep 26 14:41:31 s64-1 sshd[12546]: Failed password for root from 222.186.190.92 port 63288 ssh2
Sep 26 14:41:48 s64-1 sshd[12546]: error: maximum authentication attempts exceeded for root from 222.186.190.92 port 63288 ssh2 [preauth]
Sep 26 14:41:59 s64-1 sshd[12548]: Failed password for root from 222.186.190.92 port 33786 ssh2
...
2019-09-26 20:49:02
5.34.128.24 attackbots
Sep 26 02:58:38 php1 sshd\[1777\]: Invalid user hugo from 5.34.128.24
Sep 26 02:58:38 php1 sshd\[1777\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.34.128.24
Sep 26 02:58:40 php1 sshd\[1777\]: Failed password for invalid user hugo from 5.34.128.24 port 38298 ssh2
Sep 26 03:02:36 php1 sshd\[2236\]: Invalid user ainiah from 5.34.128.24
Sep 26 03:02:36 php1 sshd\[2236\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.34.128.24
2019-09-26 21:09:02
177.99.197.111 attackspambots
Sep 26 17:41:38 gw1 sshd[23337]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.99.197.111
Sep 26 17:41:40 gw1 sshd[23337]: Failed password for invalid user ys from 177.99.197.111 port 60419 ssh2
...
2019-09-26 21:03:09
119.29.15.124 attackbotsspam
Sep 26 14:41:49 bouncer sshd\[12261\]: Invalid user Chicago from 119.29.15.124 port 58162
Sep 26 14:41:49 bouncer sshd\[12261\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.29.15.124 
Sep 26 14:41:52 bouncer sshd\[12261\]: Failed password for invalid user Chicago from 119.29.15.124 port 58162 ssh2
...
2019-09-26 20:55:51
46.38.144.17 attack
Sep 26 12:56:16 heicom postfix/smtpd\[2846\]: warning: unknown\[46.38.144.17\]: SASL LOGIN authentication failed: authentication failure
Sep 26 12:57:32 heicom postfix/smtpd\[5093\]: warning: unknown\[46.38.144.17\]: SASL LOGIN authentication failed: authentication failure
Sep 26 12:58:54 heicom postfix/smtpd\[5093\]: warning: unknown\[46.38.144.17\]: SASL LOGIN authentication failed: authentication failure
Sep 26 13:00:10 heicom postfix/smtpd\[5093\]: warning: unknown\[46.38.144.17\]: SASL LOGIN authentication failed: authentication failure
Sep 26 13:01:34 heicom postfix/smtpd\[5093\]: warning: unknown\[46.38.144.17\]: SASL LOGIN authentication failed: authentication failure
...
2019-09-26 21:02:49
193.56.28.44 attackspambots
[portscan] udp/123 [NTP]
*(RWIN=-)(09261108)
2019-09-26 20:38:22

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